package org.gwings.client.ui.impl;

import java.util.ArrayList;
import java.util.List;

import org.gwings.client.ui.BoundModelEvent;
import org.gwings.client.ui.BoundModelListener;
import org.gwings.client.ui.SourcesBoundModelEvents;
/**
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not
 * use this file except in compliance with the License. You may obtain a copy of
 * the License at
 * 
 * http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations under
 * the License.
 * 
 * Copyright 2007 Marcelo Emanoel B. Diniz <marceloemanoel AT gmail.com>
 *
 * @author Marcelo Emanoel, Luciano Broussal
 * @since 10/03/2007
 */
public class BoundModelListenerCollection implements SourcesBoundModelEvents {
	private List listeners;

	public BoundModelListenerCollection() {
		listeners = new ArrayList();
	}

	public void addBoundModelListener(BoundModelListener listener) {
		listeners.add(listener);
	}

	public void removeBoundModelListener(BoundModelListener listener) {
		listeners.remove(listener);
	}

	public void fireValueDecremented(BoundModelEvent event) {
		for (int i = 0; i < listeners.size(); i++) {
			BoundModelListener listener = (BoundModelListener) listeners.get(i);
			listener.valueDecremented();
		}
	}

	public void fireValueIncremented(BoundModelEvent event) {
		for (int i = 0; i < listeners.size(); i++) {
			BoundModelListener listener = (BoundModelListener) listeners.get(i);
			listener.valueIncremented();
		}
	}

}
